DC Motors

DC motors are the most widely used type of motor with initial costs typically less than AC systems for low-power units. DC motors can be used for a wide range of applications from small tools and appliances, through to electric vehicles, lifts and hoists. DC Motors speed can be controlled by varying the supply voltage and are available in a wide range of voltages, however the most popular type are 12 V and 24 V, with some of the advantages being:

  • Easy installation
  • Speed control over a wide range
  • Quick Starting, Stopping, Reversing and Acceleration
  • High Starting Torque
  • Linear speed-torque curve

Types of DC Motors
There are two common types of DC motor, brushless and brushed. In both brushless and brushed motors, magnets drive the spinning (rotary) motion of the motor shaft.

  • Brushed Motors These are a more traditional type of motor and are typically used in cost-sensitive applications, where control systems are relatively simple, such as in consumer applications and more basic industrial equipment.
  • Brushless Motors Brushless motors alleviate some of the issues associated with brushed motors such as short life span for high use applications and are mechanically much simpler in design (not having brushes). The advantages of brushless motors are longer life, little maintenance and high efficiency (85-90%). These types of motors are generally used in speed and positional control with applications such as fans, pumps and compressors, where reliability and ruggedness are required.

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Description Price Supply Voltage DC Motor Type Power Rating Output Speed Shaft Diameter Maximum Output Torque Length Width Depth Dimensions Current Rating Core Construction Series Standards Met
RS Stock No. 752-1973
BrandRS PRO
$79.39
Each
units
4.5 → 15 V - 21.2 W 6000 rpm 6mm 154.4 gcm 97.8mm 35.8 (Dia.)mm - 35.8 (Dia.) x 97.8 mm 2.85 A Metal - -
RS Stock No. 181-7577
Mfr. Part No.B7744E742B5F
BrandMaxon
$131.16
Each
units
12 V Brushed 10.4 W 5260 RPM, 7140 RPM 2mm 12.5 mNm 32mm 22mm - 22 Dia. x 32 mm 810 mA - DCX -
RS Stock No. 298-5105
Mfr. Part No.MPM8-0002/CONT
BrandParvalux
$564.56
Each
units
- Brushed - 3000 rpm - - - 55mm 73.5mm - - - - -
RS Stock No. 179-2840
Mfr. Part No.MSH80-I60K12-ST1
BrandCLM
$543.55
Each
units
- - - - - - - - - - - - - -
RS Stock No. 873-4795
Mfr. Part No.2224U012SR
BrandFaulhaber
$113.73
Each
units
12 V dc Brushed 4.05 W 4390 rpm 2mm 6.7 mNm 32.3mm - - 22 (Dia.) x 32.3 mm 520 mA Metal 2224 -
RS Stock No. 873-4824
Mfr. Part No.1741U012CXR
BrandFaulhaber
$201.55
Each
units
12 V dc Brushed 5.54 W 4410 rpm 2mm 8.4 mNm 49.2mm - - 17 (Dia.) x 49.2 mm 690 mA Graphite 1741 -
RS Stock No. 181-7554
Mfr. Part No.619301
BrandMaxon
$367.20
Each
units
24 V Brushless 20 W 6000 RPM 6mm 32.6 mNm, 105 (Stall) mNm 41.8mm 30mm - 30 Dia. x 41.8 mm 6.5 A - - -
RS Stock No. 892-9126
Mfr. Part No.22V28-208E.202
BrandPortescap
$172.67
Each
units
24 V dc Brushed 3.6 W 6340 rpm 2mm 8.1 mNm 51.1mm 22mm - 22 (Dia.) x 51.1 mm 230 mA Ironless - -
RS Stock No. 298-5098
Mfr. Part No.MPM8-0008/CONT
BrandParvalux
$184.45
Each
units
- Brushed - 3000 rpm - - - 55mm 73.5mm - - - - -
RS Stock No. 181-7588
Mfr. Part No.B78B8F38E83C
BrandMaxon
$135.31
Each
units
12 V Brushed 4.22 W 6200 RPM, 9860 RPM 1.5mm 4.31 mNm 25.4mm 16mm - 16 Dia. x 25.4 mm 410 mA - DCX -
RS Stock No. 892-9104
Mfr. Part No.16N78-212E.1001
BrandPortescap
$122.87
Each
units
12 V dc Brushed 5.2 W 8380 rpm 1.5mm 6.2 mNm 35.5mm 16mm - 16 (Dia.) x 35.5 mm 490 mA Metal - -
RS Stock No. 102-3515
BrandRS PRO
$242.57
Each
units
12 V Brushed 156 W 3000 rpm 7.93mm 0.5 Nm 155mm 90 (Dia.)mm - 90 (Dia.) x 155 mm - - - -
RS Stock No. 420-5170
Mfr. Part No.110049
BrandMaxon
$111.88
Each
units
24 V dc Brushed 2 W 13800 rpm 1.5mm 2.1 mNm 25.4mm - - 16 (Dia.) x 25.4 mm 134 mA Ironless - -
RS Stock No. 181-7587
Mfr. Part No.B78B8F367648
BrandMaxon
$713.87
Each
units
36 V Brushed 112 W 7410 RPM, 7940 RPM 4mm 119 mNm 72mm 32mm - 32 Dia. x 72 mm 2.87 A - DCX -
RS Stock No. 181-7586
Mfr. Part No.B78ADC65FD68
BrandMaxon
$1,008.49
Each
units
24 V Brushed 71.7 W 9690 RPM, 10700 RPM 3mm 2.97 mNm 101.1mm 26mm - 26 Dia. x 101.1 mm 2.76 A - DCX -
RS Stock No. 181-7584
Mfr. Part No.B78ADC65DAF7
BrandMaxon
$946.74
Each
units
24 V Brushed 71.7 W 9690 RPM, 10700 RPM 3mm 0.91 mNm 92.2mm 26mm - 26 Dia. x 92.2 mm 2.76 A - DCX -
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